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feat: add Z-Image L2P support (#2075)

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This commit is contained in:
Aleksei Pakhomov
2026-10-06 17:23:21 +08:00
committed by GitHub
parent b6947b8bdc
commit bbdcad48dd
10 changed files with 304 additions and 6 deletions
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src/pipeline/diffusion_engine.cpp
+7 -1
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@@ -107,6 +107,7 @@ const char* model_version_to_str[] = {
"ESRGAN",
"PixArt",
"Ming-Image",
"Z-Image L2P",
};
static_assert(VERSION_COUNT == sizeof(model_version_to_str) / sizeof(model_version_to_str[0]),
@@ -1376,6 +1377,7 @@ bool StableDiffusionGGML::build_denoiser() {
sd_version_is_anima(version) ||
sd_version_is_ernie_image(version) ||
sd_version_is_z_image(version) ||
sd_version_is_z_image_l2p(version) ||
version == VERSION_MING_IMAGE ||
sd_version_is_llada_image(version) ||
sd_version_is_boogu_image(version) ||
@@ -2172,7 +2174,7 @@ std::vector<float> StableDiffusionGGML::prepare_sample_timesteps(float sigma,
if (version == VERSION_HIDREAM_O1) {
return std::vector<float>{1.0f - (t / static_cast<float>(TIMESTEPS))};
}
if (sd_version_is_z_image(version) || sd_version_is_ideogram4(version) || version == VERSION_MING_IMAGE) {
if (sd_version_is_z_image(version) || sd_version_is_z_image_l2p(version) || sd_version_is_ideogram4(version) || version == VERSION_MING_IMAGE) {
return std::vector<float>{1000.f - t};
}
return std::vector<float>{t};
@@ -2762,6 +2764,8 @@ int StableDiffusionGGML::get_diffusion_model_down_factor() {
if (sd_version_is_dit(version)) {
if (sd_version_is_sensenova_u1(version)) {
down_factor = 32;
} else if (sd_version_is_z_image_l2p(version)) {
down_factor = 16;
} else if (version == VERSION_QWEN_IMAGE_2_1 || version == VERSION_MING_IMAGE || sd_version_is_wan(version) || sd_version_is_lingbot_video(version) || sd_version_is_minimax_h3(version) || sd_version_is_pixart(version)) {
down_factor = 2;
} else {
@@ -2792,6 +2796,8 @@ int StableDiffusionGGML::get_latent_channel() {
latent_channel = 3;
} else if (sd_version_is_sensenova_u1(version)) {
latent_channel = 3;
} else if (sd_version_is_z_image_l2p(version)) {
latent_channel = 3;
} else if (sd_version_is_pid(version)) {
latent_channel = 3;
} else if (sd_version_is_sefi_image(version)) {